AT&T Mobility has reached a tentative agreement with the Communications Workers of America in Mobility Orange contract negotiations. The four-year agreement, which will be submitted to the union's membership for a ratification vote in coming days, covers about 20,000 employees in 36 states and the District of Columbia - AT&T's Mobility Orange unit, which encompasses CWA Districts 1, 2-13, 4, 7 and 9.

Pfizer announced that the United States FDA has approved IXIFI, a chimeric human-murine monoclonal antibody against tumor necrosis factor, as a biosimilar to Remicade for all eligible indications of the reference product. The FDA has approved IXIFI as a treatment for patients with rheumatoid arthritis, Crohn's disease, pediatric Crohn's disease, ulcerative colitis, ankylosing spondylitis, psoriatic arthritis, and plaque psoriasis.

Western Alliance Bancorporation announced that during the first quarter of 2018 Robert Sarver will transition from Chairman and CEO to Executive Chairman. In conjunction with Sarver's change in role, Ken Vecchione will be promoted to Chief Executive Officer, Dale Gibbons to Vice Chairman and Chief Financial Officer, and James Haught to President and Chief Operating Officer, all effective April 1, 2018.

Aqua America announced that President and CEO Christopher H. Franklin has been elected chairman of the board, effective Jan. 1, 2018. Franklin became CEO in July 2015 and has served on the board of directors since October 2015. He succeeds Nicholas DeBenedictis, former CEO, who will continue to serve on the board as chairman emeritus.